---
product_id: 98262208
title: "SNS-203 Pesticide Concentrate - 1 Gallon"
brand: "sierra natural science"
price: "A$266"
currency: AUD
in_stock: true
reviews_count: 8
category: "Sierra Natural Science"
url: https://www.desertcart.com.au/products/98262208-sns-203-pesticide-concentrate-1-gallon
store_origin: AU
region: Australia
---

# 100% botanical extracts targets 6+ pest species concentrated formula for mixing SNS-203 Pesticide Concentrate - 1 Gallon

**Brand:** sierra natural science
**Price:** A$266
**Availability:** ✅ In Stock

## Summary

> 🌱 Naturally powerful, scientifically smart pest control for the savvy plant parent.

## Quick Answers

- **What is this?** SNS-203 Pesticide Concentrate - 1 Gallon by sierra natural science
- **How much does it cost?** A$266 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.au](https://www.desertcart.com.au/products/98262208-sns-203-pesticide-concentrate-1-gallon)

## Best For

- sierra natural science enthusiasts

## Why This Product

- Trusted sierra natural science brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Mix & Match Ready:** Easily combines with other Sierra Natural Science products (SNS-209, SNS-604A/B) to customize your pest control strategy.
- • **Multi-Pest Mastery:** Effectively repels and kills root aphids, fungus gnats, whiteflies, thrips, and more—your all-in-one pest solution.
- • **Dual Action Defense:** Attacks pests by dehydrating them while eliminating their fungal and algal food sources for lasting protection.
- • **Pure Botanical Power:** Harness the natural pest-fighting strength of rosemary and clove extracts for a chemical-free garden defense.
- • **Versatile Application:** Use as a soil drench or foliar spray to protect both roots and leaves, perfect for indoor and outdoor plants.

## Overview

Sierra Natural Science SNS-203 is a 1-gallon concentrated pesticide made from pure rosemary and clove botanical extracts. It targets a broad spectrum of pests including root aphids, fungus gnats, whiteflies, and thrips by dehydrating them and attacking their fungal and algal food sources. Suitable for soil drench and foliar spray applications, it integrates seamlessly with other Sierra Natural Science products for comprehensive pest management.

## Description

SNS 203 Concentrated Natural Pesticide Soil Drench and Foliage Spray is made up of pure rosemary and clove botanical extracts. It kills, repels, controls and eliminates fungus gnats, root aphids, thrips, shore flies and whiteflies. How it Works: SNS 203's concentrated active ingredients attack fungus & algae and cause pests to dehydrate and dry up.

Review: Keeping my indoor houseplant collection in great health. - I use it as a preventative measure. It helps me to save my plants from any above-ground pests (when used as a foliar spray) and in-ground, too (soil drench). I add a small amount with every other watering. Works for plants in leca.
Review: IPM Program - Wonderful product for commercial and home growers. This is my go too product to keep my garden and plants safe from pests.

## Features

- Made From Pure Rosemary And Clove Botanical Extracts
- 203 repels and kills Root Aphids, Fungus Gnat, White Flies, Gnat Larvae, Thrips & more
- 203 has active ingredients that cause pests to dehydrate and die while also, attacking fungus and algae, reducing the food source for pests
- SNS 203 can be mixed with SNS-209, SNS-604A, SNS-604B

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0046HJ9OG |
| Active Ingredients | rosemary |
| Best Sellers Rank | #38,991 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #163 in Insect & Pest Repellent Spray Concentrates |
| Brand | Sierra Natural Science |
| Customer Reviews | 4.2 4.2 out of 5 stars (231) |
| Global Trade Identification Number | 00705105229188, 10705105229185 |
| Item Form | Spray |
| Item Weight | 8.67 pounds |
| Item model number | SN203GAL |
| Liquid Volume | 128 Fluid Ounces |
| Manufacturer | Sierra Natural Science |
| Product Dimensions | 5.88 x 5.88 x 11.49 inches |
| Specification Met | EPA, OMRI |
| Target Species | Insects |
| UPC | 705105229188 |

## Product Details

- **Active Ingredients:** rosemary
- **Brand:** Sierra Natural Science
- **Item Form:** Spray
- **Item Weight:** 8.7 Pounds
- **Liquid Volume:** 128 Fluid Ounces

## Images

![SNS-203 Pesticide Concentrate - 1 Gallon - Image 1](https://m.media-amazon.com/images/I/81lclwUU8hL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Keeping my indoor houseplant collection in great health.
*by A***A on January 20, 2024*

I use it as a preventative measure. It helps me to save my plants from any above-ground pests (when used as a foliar spray) and in-ground, too (soil drench). I add a small amount with every other watering. Works for plants in leca.

### ⭐⭐⭐⭐⭐ IPM Program
*by L***N on September 3, 2023*

Wonderful product for commercial and home growers. This is my go too product to keep my garden and plants safe from pests.

### ⭐⭐⭐⭐⭐ Effective but not cost effective
*by L***O on April 28, 2020*

A little too expensive for the small Amount you get.

## Frequently Bought Together

- Sierra Natural Science - SNS-203 Pesticide Concentrate - 1 Gallon
- SNS 209 Pesticide Concentrate 1 Gallon
- BotaniGard 22WP Biological Insecticide 1lb

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*Product available on Desertcart Australia*
*Store origin: AU*
*Last updated: 2026-03-11*